There are many things you have to consider if you want to save energy like Choose a Light House Color, Use Trees and Shrubs for Shading because Shading is the most simple, effective way to cool your home and reduce energy consumption, Curtains and blinds are an excellent solution for budget-conscious weatherization do-it-yourselfers. Use LED because LEDs give off 90% less heat and save 75% more energy. If you want to more about energy saving so i thing you should search article or blogs which can give you lots of useful information.